Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
105 words
Apparatus for adding a display data channel to a display device (100), the apparatus comprising: a memory (520) for storing display identification data; an I/O connector (104) releasably connectable to a display output port of a personal computer for receiving display drive signals from the display output port; first communication means (501-505) for transferring the display drive signals to the display device; second communication means (Clock, Data) for communicating the display identification data stored in the memory to the personal computer via the I/O connector; and power receiving means (+5V) for receiving electrical power to power the second communication means independently of the display device.
Claim 2
Dependent Claim
25 words
Apparatus as claimed in claim 1, wherein the power supply means is adapted to receive electrical power from the personal computer via the I/O connector.
Claim 3
Dependent Claim
16 words
Apparatus as claimed in claim 1 or claim 2, comprising a housing (202;302;400) containing the memory.
Claim 4
Dependent Claim
25 words
Apparatus as claimed in claim 3, wherein the I/O connector is remote from the housing (302) and connected to the memory via an intermediate cable.
Claim 5
Dependent Claim
16 words
Apparatus as claimed in claim 3, wherein the I/O connector is integral to the housing (202;400).
Claim 6
Dependent Claim
42 words
Apparatus as claimed in any preceding claim, comprising selection means (508-511) for accessing different portions of the display identification data for communication to the personal computer in dependence on one or more identification bits (ID Bit 0-3) supplied by the display device.
Claim 7
Dependent Claim
27 words
Apparatus as claimed in any preceding claim, wherein the first communication means comprises an output connector releasably connectable to an interface cable (102) of the display device.
Claim 8
Dependent Claim
12 words
Apparatus as claimed in claim 7, in the form of a dongle.
Claim 9
Dependent Claim
19 words
Apparatus substantially as hereinbefore described with reference to Figures 2, 3, 4, 5, or 6 of the accompanying drawings.
Claim 10
Dependent Claim
43 words
A display device comprising: a display screen; means for generating a picture on the display screen in response to display drive signals from a personal computer; and apparatus as claimed in any preceding claim for connecting the display device to the personal computer.